Inspection Record

Yangzhou H&R Plastic Daily Chemical Co., Ltd. — FDA Warning Letter Findings

US FDAPublished 2026-03-24 4 findingsQuality unit oversightLaboratory and QC controlsProcess validationMaterial and supplier control

View the regulator's official source The source document is always the basis for judgement.

Findings

1Quality unit oversight

Your firm’s quality control unit failed to exercise its responsibility to ensure drug products manufactured are in compliance with CGMP, and meet established specifications for identity, strength, quality, and purity (21 CFR 211.22). Your firm failed to establish an adequate quality unit (QU) with the responsibilities and authority to oversee the manufacture of drug products. For example, you failed to ensure: Adherence to an adequate stability program (21 CFR 211.166(a))…

2Laboratory and QC controls

Your firm failed to have, for each batch of drug product, appropriate laboratory determination of satisfactory conformance to final specifications for the drug product, including the identity and strength of each active ingredient, prior to release (21 CFR 211.165(a)). Your firm contract manufactures an over-the-counter (b)(4) drug product. You failed to adequately test batches of your finished drug product for the identity and strength of your active ingredient (e.g. (b)(4)…

3Process validation

Your firm failed to establish adequate written procedures for production and process control designed to assure that the drug products you manufacture have the identity, strength, quality, and purity they purport or are represented to possess (21 CFR 211.100(a)). Your firm failed to adequately qualify the equipment and validate the processes used to manufacture your (b)(4) drug product. You have not performed process performance qualification (PPQ) studies, nor do you have a…

4Material and supplier control

Your firm failed to conduct at least one test to verify the identity of each component of a drug product. Your firm also failed to validate and establish the reliability of your component supplier’s test analyses at appropriate intervals (21 CFR 211.84(d)(1) and 211.84(d)(2)). Your firm failed to conduct adequate identity testing on incoming components, including active pharmaceutical ingredients, used in the manufacturing of your drug products. Additionally, you relied on…

About this record

Extracted automatically from the document US FDA published on 2026-03-24. The source is available at the link above.

This is a record of that moment. Inspection findings are usually followed by the company's response and corrective action, but this page does not know how that turned out. Do not read it as the current state; check the regulator's official announcements for the latest status.

Translation and classification are automated and may differ in nuance from the source.

Yangzhou H&R Plastic Daily Chemical Co., Ltd. company profile — full history US FDA documents, 2026 Go to Findings search